Test buttons: Use the test buttons whenever you want to test a GFCI or AFCI breaker. Simply press the button to disrupt the ...

The way you get a 240-volt circuit is simple. A “double-pole” circuit breaker is clipped into both 120 buses at the same time, so the voltage to the circuit is doubled. That’s why these ...

However, most homes need larger breakers for more demanding appliances like washing machines and refrigerators. This requires a much more robust double-pole (240-volt) 200-amp breaker, which could ...